Automatic electric reverse-switch.



, in ll was) Be. it? kno 2 UNITED STATES PATENT OFFIC ISSAO A. WATROUS, QFWEST'HAVENQC HALF TO FRANK BURTON,

A uTOMAi'iC zLecrnic REV VERSE-SWITCH? i TItC l/y con/( 3 9 g g that 1, IssAo AL'WAT a e ez f the United. States residing. at West,

' Havenfln the county of New Haven and tame of-; 'Connecticut, have invented a new; and useful Improvement in Automatic ElectricReverse-switches; and I-do hereby declare thefollowing, when taken in connection with theaccompanying drawings and the nuinerals of reference marked thereon,- to] be a full, clear, and exact description of the same,

'whichlsaid'; drawings constitute" part of lthisspecification, and represent, 1n.

' Figure 1,;

a portion of a 'ga'sengine to which my (wheel of the engine being shown in section; 2', a broken view in inside elevation of the fl -wheel; Fig. 3,ra detached viewof the 1 switc with its cover removed; Fig.- 4, aview showing. the} circuit-breaker held in its open position'by'the trigger.

' the indicated' With hese. ends m v1ewm shown hemp hungu terminal plate 10, secured by a binding-1 l invention r lates to animproved automat e BlGGtl'lQIGYGISG switch 25 g f vide sum [(3, convenient, and reliable means v or 'internal-' ic0IIib11stion engines,- the object'beingto proic r' y 4 by a circuit-breaker 2, having the general form of a, bell-crank lever and on a screw-stud 3 withina switch box 4,

thereception of a bolt- 8, by means of which the switch is rigidly fastened to the enginebase 9. The contact-arm 2" of the circuitbreaker 2 normally makes contact with a screw 11 to an insulating-block12,-fastened arm 20 projecting through an opening 21 (in I I the sideof the box 4 andqfurnished with a by a screw 13 to the bottom of the box 4. A

\ segmental trigger-shoe 22, arranged to be engaged by a hub-like tripper-weight 23,-lo

a broken view inelevation show "improved switchhas been applied, the fly-- invention consists inthe constructionto be hereinafter describeijandpointed outin'the claims. 3 1 out my invention as herein 1 aving a cover 5, this box'being providedwith a bracket 6, having a hole 7'for source of the current, Whatever that The other arm 2 of the circuit-1 tspecification cf Letters Patent. I want Dec-25,1906. apphcationfiled'liay7d9d6.Seria1'No. 315,58 1. i

V cated atone end bf a trip er 24, hun upon screw-stud 25, entering t e web 26-0 the flywheel 27 Of course the tripper might be pivoted-to a spoke of the fly-wheel in case fly-wheel by means .of a screw29, is provided at its opposite, end'with a hook. 30, adapting it toqbe engaged with anyone of a series of notches- 31, formed along the outeredge of spring may be adjust-ed inposition to c ang itspull on the tripper, as may be required periphery of the flywheel andprovides' for -ad ustably' limiting the movement of the Forthe manual operation of the circuit connected-b awire 34 with a; bell-crankilever 35, whic is connected by awir e-3.6 with .a bell-crank lever 37 which is; connected by a acter, such as'an ordina I pull 38*. spring 39, connected wit on the spring 40, "which tends to hold the cirthe triggpr, holds the bla e 16 thereof in readi ness'to e reengaged with theblade 15,,ear ried'bythe circuit-breaker, these springs 40 and 41 being located within the switch box 4, as seen in Fig} 3; Normally the circuitbreaker is incont'act' with the terminalplat'e 10, as seen in Fig' 3.1 trigger-blade 16 has itsinner face enga with the end of the trigger-blade 15. he sprin 28 is adjusted upon the tripper 24, as it wil also be understood with respect to the :speed ofthe fly-wheel 27, so that the action hub-like tri per-weight 23 out of engage? ment with t 1etripper-shoe" 22. Now when it is desired to reverse the engine the bell-pull 38" or other manual is operated to swing the circuit-breaker 2 against the tension of' its s rin 40, whereby the circuit is broken and the edge of the trigger-blade 16 engaged with the upper face of the triggervblade '15. 1 The circuit-breaker is thus temporarily lo'cked, 'so 7 to speak, in its open position. he circuit ONNECTICUTQASSIGNOR OF ONE; OF NEWHAVE N CONNECTICUT:

the long arm of the tripper, whereb the,

Anadjusting-screw 32, mounted in the short arm of the'tripper 24, engages with the inner? 7 tripper-weight 23 toward the trigger-shoe 22.

A breakerI provide its arm 2 wit'na finger-T33,

wire 38. with a manual of an la proved char-' heli A the bell-crank .lever 37, overcomes-an tension that may be 1. 'left on the wire 38, an so relieves the tension of centrifugal force will normally hold the" the fly-wheel were of 'spoked construction.

' A tripper-spring 28,, secured at one end to the 6o wit-breaker in contact with the terminal platelO, whlle thesprin 41, eonnectedwith' Normally also the having been broken, no more electricity will be transmitted to the sparker of the engine,

the explosions .of which will cease, and .therefore the fly-wheel 2? will slo\ v,,(iown. As the fly-wheel goes slower and slower the action of centrifugal force will he proportionately reduced, and the trip'per-spring-28 will assert itselfto draw the hub-like trlpper-weight 23 toward the tri per-shoe 22, which will be engaged, where y the tripper will he swung a 'a'ins't the tension of it's s ring 41 and the Hades 1.5 an 1. di ngag W -up h c ncnitebreakerspring 40 will assert itself to neturn the circuit-breaker to its normal posi- "tiqm, its shew in F g, so that the c u t will h rfiem closed to the aparleer of the engins, the difference, however, that the ir uit will h ls jus be h t the engine reaehes the top of the stroke ins ad hf i s ett th t f h t ke i m ted; whi i he u ua t ing. Th cir- .eught being closed and the sparking being reestablish an th cppos t sid hf the-strok so .130 s .eek, the engine will reverse. It h u tame in is onn ti n t a n r r t e. h reversal of n ngin ef i ehmtt th resump t f pa k ng.

must be done by .cloSiQg the cireuit at carefully predetermined time and place. This it .diflicult todoby any method so hit or Iniss ,as the mganual insertion of an eleetric plug under the guidance ofithe movement of a iiy-Wheel as seen by the eye. Under my invention, however, the spring 28 and the screw :32 may be adjusted With reference to the normal speed of the en ine to such a nicety that the tripper 23 wil act nponthe trigger-shoe 22 at precisely the point-re.-

qmred for resuming the sparking lll such ,4}-

why as to (sense the reversal of the en ine, fter th menta 3 ha been, o erated the agementof the tripper-blades 15 and 16 Id h circuit-br aker mpo t n o keep he p ni un l e t lpper op in he meme? described.

nation with a pivotal circuit-breaker, of a trigger coacti-ng with the cincuit-breaker $141101 provided with a ,trigger-shee, a tripper vet.- ally mounted upon the fiy-wheel (of 6 en- .g-i ie and formed with a weight to eoeot with; l

he tri ger-sh and an adjustable sp ing [connected with the tripper for controlling the action thereof whereby the trip or operates the trigger to release the ciiiouiit hmitk r at predetermined time and place.

3. th n automatic eleetnic reverseqstvizteh for internal-combustion engines, the wmhina-tion wit-11a piv otal .circniteblfet i el carry.- ihg a t igg lade, fiffiifihflth trigger carrying a trigger-hladeto with the triggerblede sp fied end also earrytng .a tower shoe, a tripper pivotally mounted upon the fly-wheel f the engine and adapted 0 outlet with the triggershoe, and e spr ng'mounted' upon the fiy-wheel endedjustably connee-ted with the tripper whereby the spring may be set with reterence to th tripper to cause the same to act upon the trigger to reieesethe circuit-breaker and close the circuit at a pre determined time andplace.

In testimony whel tfif I have signed this specification in the presence of two subscribing witnesses. 1

I ISSAC A. w TRo s. Wi n s l FREDERLG C. EARLE,

CLARA L. WEED, 

